<div class="container"></div>

<style>
/* From Uiverse.io by AspenBranch  - Tags: simple, white, pattern */
.container {
  width: 100%;
  height: 100%;
  /* Add your background pattern here */
  background-color: white;
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

</style>
    